Sprinkler head



I Jue 1936. l F; H 'JOHN'SN 1,766,126

I SPRINKLER HEAD Filed May 6, 1925 atroz muta ParitentedrJuney 24, 193,0 y' y 'i y y .I y y UNITED STATES u FREDERICK H. JOHNSON, E souri-r PAsADENmpoALIEoRNIA.

y sPnINKLER 'HEAnl i ,Application filed May 6, 1925;.L Serial Njo.q28,3,3l3.

This invention relates to sprinkler heads, 6 isl ofV greater cross sectional' larfeathaxrthe and moreparticularly to half spray nozzles bore." for theA purpose Aof preventing sand or heads which are adaptedfor use close to from becoming lodged therein' fromtheboref walks or the like for the purpose of spraying 5 to' stop the function orv 'prOper-funCtiOning* i 5 from the walks or the like without throwing thereof. Y gf, 'f f y "if '55 the spray upon the walks or'thelike. y 'An important vfeature of Vthis invention lies `An object of this invention is toprovide a inthe provisionof a spray chamber n6 .that y, half Vspray nozzle vor head which includes a is'ofapproximately semiscircular*horizontal'. bodyhaving a bore extending therein, which cross-section and over which thewupp'erv 7.5, 1o bore is substantially tangent to yandin adextends Vwhich `is likewise of semi-circularo Vance of the diameter of the said vertical horizontalfcrosslsection.'l ,Y j, n v l body, and which terminates in a spray cham- The back wall 9aof`the recessS isprefe'rably ber formed in the head so that as thespray straight'and its position isV preferably upon y is formed in the head it is 'thrown from the the plane passed through the central axis of V nozzle as a fan, or substantially half circular the body l so that the recess 8 isv in vertical 65 form' in advance or" the spray chamber. 'j section practically semioircular. .A head '9, Other objects and advantages of this in-y having a bore 10 therethrough is spun onto vention will be apparent from thefollowing the body 1 at lits lower end so as to yprovide detailed description of a preferred embodila small shoulder 11 which is retained inposi- 2o ment thereof as illustrated in theaccompanytion by means of the lip 12.' This manner of 70 y ing drawings:v f v uniting the head 9'to the body 1 provides a I n the drawings: y Huid tight connection between the body 1 and Fig. 1`is a front elevation of a sprinkler the head 9. The bore 10, like the bore 5, is

head valve embodying this invention. formed in an off-center position. A Fig. 2 is a side elevation thereof, looking` v rlhe back-wall 9a is substantially tangent to 75 from right to left in Fig. 1.l f Y the bore 50i the body 1 andextends laterally` Fig. 3 S a Central SGCOnal Side ,eleVtOn from the said bore 5. The formationV ofl this taken on the line 3 3 of Fig. 1. r back-wall 9a, which extends a' substantial dis- Fig. t is a top plan view taken substantialtance from the bore 57 permits the sprinkler ly on the line Ll--'of Fig. 1. head to Jform an accurate half-spray, and the 8l) Fig. 5 is a SectionaltOp plan View taken 'formation of the bore 5 in an oit-center posi- Substantially 0n the line 5-5 0f Figl 2- tionin the body 1 permits the formation of Fig. 6 is a veW'SInlar t0 Fg- 5, llnstrtthis back-wall '9a of such lateral .extension` ing the Valve partially C10Sedy j that the same will present a substantial barl y 35 In the preferred embdilnent 0f this nven-l rier to the water and the same will notfbe 85 tion illustrated inthe accompanying drawthrown rearwardly from the sprinkler head ings l illustrates the Sprinkler head S0 alsy to form Aa' Spray-whch is of accurate which has L reduced Portlol 2 andi-bread? 3 horizontal semi-circular cross-section. l so that the'sarne may be secured 1n positiony A gro'ove 13 is formed in the lower Portion 90,

40 in Sprinkler system apparatus* The body l of the head 9 so that a sharp edged instru- .n

l? preferably formed .Witha hexaglnal 0.11' ment may be'inserted therein to turn the head ,W4 lic ljllnmrp rlebosl' 9 to properly adjust communication between tion Ahora 528 formed in the bodyl from the bores 10 and 5 into some such position asl 4.* .t th Y v lassantrsiaaas.maar when@ extending lip 7 curved throughout its length POStlOl luustmted 1n: Flg 6a thesame V111 is illustrated in Fig..- 6. By this manner of 95.'`

as is particularly illustrated in 1V and y remain in' that. Position and the Volume of i i i i a downwardly and forwardlyinclined curved Ywaterv permitted to flow through the port 5" recess `8 at its lowerk portion. y The chamber ymay bey accurately regulated thereby: so that 1190 i Vthe Width or reach of the spray issuing from rthe/recess 6 Will be determined.

From the foregoing it Will be ap'parentvthat Y I have provided an, extremely simple forni of Y d Vvalve rand' sprinkler head construction that is extremely Well adapted to carry out Ythe functions for which it is designed,

'Ha-vilrig fully described @he prefered em-Y v' V-ixodinfient of this invention, itvvill be under- #Iclaimz A A half-spravnozzle comprising a body oy? lilllcal f lelfrili hav-ing; a -bQre extending, 1 .liieifuleellwtherein, saidbere being tam i andiri advanoe of the diameter of said v f we Ver o x krtudiiial'airis. theibodyrand alateral slot in Saidhoer:interseetingrthein 'of Said bore and* frmhaing silbstalit reti? wall tht Sil tantally:,taleentlto'the' edeliilategthe periphery: off.' said f Astood that I do notvvish to be limited to the exact construction herein set forth' Whiehmay,

from

obviouslyybe varied Without departing the 'spirit of theV appended'claim.

body. Y 

